CN105301002A - Online cable surface defect detection device - Google Patents
Online cable surface defect detection device Download PDFInfo
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- CN105301002A CN105301002A CN201510715491.2A CN201510715491A CN105301002A CN 105301002 A CN105301002 A CN 105301002A CN 201510715491 A CN201510715491 A CN 201510715491A CN 105301002 A CN105301002 A CN 105301002A
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Abstract
The invention discloses an online cable surface defect detection device which comprises a fixing support and two planar reflecting mirrors. A camera is arranged on one side of the fixing support, a detected cable penetrates through the fixing support, the axis of the detected cable is perpendicular to and is intersected with the optical axis of a camera lens, the two planar reflecting mirrors are parallel to the axis of the detected cable and are symmetrically located on the both sides of the detected cable, an optical module for changing an object distance is arranged between the detected cable and the camera, and a plurality of light sources for uniformly illuminating the surface of the detected cable is arranged on the inner side of the fixing support. The online cable surface defect detection device achieves 360-degree all-around detection of the cylindrical cable in operation, the device cost is saved, and various defects existing on the cable surface are efficiently detected in a full-coverage mode. The online cable surface defect detection device is simple in structure and reasonable in arrangement, can be directly applied to a cabling production line to be in linkage with a device control system, is convenient to operate and efficiently detects the quality of the surfaces of cables produced continuously.
Description
Technical field
The present invention relates to cable defect detecting technique field, particularly a kind of cable surface on-line detection device of defects.
Background technology
Existing diameter imperfections tester on market, adopts disruptive discharge principle to detect photoelectricity cable surface defect usually.For adopting all dielectric structure and the optical cable (as: air-blowing micro-cable, optical cable used for access network etc.) of surface structure abnormal shape, common tester cannot detect the defect that optical cable surface exists.For air-blowing minisize optical cable product, because product is generally all dielectric structure, outside dimension and covering thickness are very little, and product surface becomes irregularly shaped (as zigzag), sheathing technique controlling difficulty is larger, slightly do not note namely there will be jacket surface defect situation, as de-material, bulge etc., be easy to cause quality accident.
Owing to not having special ONLINE RECOGNITION equipment, if occur, the problems referred to above manually to carry out after-combustion inspection, can only be felt the defective locations of the de-material of detection or bulge with hand and repair, wasting a large amount of manpower and materials, may cause industrial accident again simultaneously.
Summary of the invention
Technical matters to be solved by this invention be overcome prior art difference and a kind of cable surface on-line detection device of defects is proposed, the 360 ° of comprehensive detections adopting plane mirror to replace camera can to realize cable surface defect, this device is simple, improve detection efficiency and cost is low.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
According to a kind of cable surface on-line detection device of defects of the present invention, comprise fixed support and two plane mirrors, described support bracket fastened side is installed on camera, tested cable is through in fixed support, the axis of tested cable is vertical and crossing with the optical axis of camera lens, two plane mirrors are parallel to the axis of tested cable and the symmetrical both sides being positioned at tested cable, the plane of plane mirror becomes 60 ° of angles with the optical axis of camera lens, angle between two plane mirrors is 120 °, the width of plane mirror is greater than tested cable diameter, the optical module for changing object distance is provided with between tested cable and camera, support bracket fastened inner side is provided with several light sources for forming uniform illumination to the surface of tested cable.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described optical module is the combination of lens, prism or lens and prism.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described lens are concavees lens or lens combination.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described camera is face battle array or line camera.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described fixed support is annular or polygon support, and described light source is LED area light source.
A kind of cable surface on-line detection device of defects, comprise fixed support and two plane mirrors, the symmetrical both sides of described fixed support are respectively provided with 1 camera, the optical axis of 2 camera lenss parallels, tested cable is through fixed support, the axis of tested cable is vertical with the optical axis of camera lens, 2 plane mirrors are parallel to the axis of tested cable and are positioned at the both sides of tested cable, the plane of plane mirror and the optical axis of camera lens angle at 45 ° and 2 plane mirrors are parallel to each other, plane mirror width is greater than tested cable diameter, the optical module for changing object distance is provided with between tested cable and camera, support bracket fastened inner side is provided with several light sources for forming uniform illumination to the surface of tested cable.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described optical module is the combination of lens, prism or lens and prism.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described lens are concavees lens or lens combination.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described camera is face battle array or line camera.
As the further prioritization scheme of a kind of cable surface on-line detection device of defects of the present invention, described fixed support is polygon support, and described light source is LED area light source.
The present invention adopts above technical scheme compared with prior art, there is following technique effect: adopt plane mirror alternative camera, realize the 360 ° of comprehensive detections of cylindrical tested cable, save equipment cost greatly, and improve detection efficiency, can directly be installed on the set of equipments of cable production, and the control system interlock of equipment, easy to operate, thus efficient detection quantity-produced cable surface quality.
Accompanying drawing explanation
Fig. 1 is cable surface on-line detection device of defects one-piece construction schematic diagram.
Fig. 2 is that the present invention adopts concavees lens to configure the structural representation of a camera.
Fig. 3 is the structural representation adopting Dove prism to configure a camera in the present invention.
Fig. 4 is that the present invention adopts concavees lens to configure the structural representation of two cameras.
Fig. 5 is that the present invention adopts Dove prism to configure the structural representation of two cameras.
Reference numeral in figure is interpreted as: 1-plane mirror, 2-light source, 3-fixed support, the tested cable of 4-, 5-optical module, 6-camera, the optical axis of 7-camera lens, A-first surface, B-second curved surface, C-the 3rd curved surface, D-the 4th curved surface, E-the 5th curved surface, F-the 6th curved surface, G-the 7th curved surface.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
Fig. 1 is cable surface on-line detection device of defects one-piece construction schematic diagram, the first embodiment as shown in Figures 2 and 3, if Fig. 2 is that the present invention adopts concavees lens to configure the structural representation of a camera, Fig. 3 is the structural representation adopting Dove prism to configure a camera in the present invention.A kind of cable surface on-line detection device of defects, comprise fixed support and two plane mirrors, described support bracket fastened side is installed on camera 6, tested cable 4 is through in fixed support 3, the axis of tested cable is vertical and crossing with the optical axis 7 of camera lens, two plane mirrors 1 are parallel to the axis of tested cable and the symmetrical both sides being positioned at tested cable, the plane of plane mirror becomes 60 ° of angles with the optical axis of camera lens, angle between two plane mirrors is 120 °, the width of plane mirror is greater than tested cable diameter, the optical module 5 for changing object distance is provided with between tested cable and camera, support bracket fastened inner side is provided with several light sources 2 for forming uniform illumination to the surface of tested cable.
Described optical module can be the combination of lens, prism or lens and prism, and described lens are concavees lens or lens combination.As the optical module in Fig. 2 adopts concavees lens, the optical module in Fig. 3 adopts Dove prism.As described in the structure that Fig. 2 adopts concavees lens to configure a camera, fixed support is annular or polygon support; Fig. 3 be adopt Dove prism to configure a camera in the present invention structure described in fixed support be polygon support.
Described camera can be face battle array or line camera, and described light source can be LED area light source, and described lens can be concavees lens.Only configuration one table top battle array or line camera, columniform tested cable is divided into three curved surfaces for one week, the curved surface directly entering camera is designated as first surface A, the curved surface entering camera through plane mirror reflection is designated as the second curved surface B and the 3rd curved surface C respectively, specifically as shown in Figure 2, the first surface A of tested cable is through lens or prism imaging in camera image plane, and the second curved surface B and the 3rd curved surface C images in camera image plane after plane mirror reflection simultaneously.The plane of plane mirror and the axis being parallel of tested cable, ensure image quality, first surface A, the second curved surface B of cable and the 3rd curved surface C image in same picture plane simultaneously, and its picture is parallel to each other; The distance in plane mirror and cable axle center is determined by the size of cable imaging in camera and position, plane mirror width is greater than cable diameter, the object distance difference of guarantee first surface A, the second curved surface B and the 3rd curved surface C drops to minimum, cable can all be imaged in camera image planes for one week, avoids light source to enter camera through plane mirror simultaneously.Place one piece of lens or prism between cable and camera, make the imaging object distance of first surface A, the second curved surface B and the 3rd curved surface C equal, guarantee the image quality of three curved surfaces in camera image planes.
By placing one piece of concave lens between tested cable and camera lens, ensureing image quality, not affecting defect estimation.During the battle array camera of use face, cable runs through the region that is taken, and carry out zonal cooling shooting to tested cable, capture rate sets according to the operating rate of cable, configures cable running length and time recording device simultaneously; When using line camera, directly carry out scanning shoot.
As shown in Figure 4 and Figure 5, Fig. 4 is that the present invention adopts concavees lens to configure the structural representation of two cameras to the second embodiment, and Fig. 5 is that the present invention adopts Dove prism to configure the structural representation of two cameras.A kind of cable surface on-line detection device of defects, comprise fixed support and two plane mirrors, the symmetrical both sides of described fixed support are respectively provided with 1 camera, the optical axis of 2 camera lenss parallels, tested cable is through fixed support, the axis of tested cable is vertical with the optical axis of camera lens, 2 plane mirrors are parallel to the axis of tested cable and are positioned at the both sides of tested cable, the plane of plane mirror and the optical axis of camera lens angle at 45 ° and 2 plane mirrors are parallel to each other, plane mirror width is greater than tested cable diameter, the optical module for changing object distance is provided with between tested cable and camera, support bracket fastened inner side is provided with several light sources for forming uniform illumination to the surface of tested cable.
Described optical module can be the combination of lens, prism or lens and prism, and described lens are concavees lens or lens combination.Described camera is face battle array or line camera.Described fixed support is polygon support, and described light source is LED area light source.
Columniform tested cable is divided into four curved surfaces for one week, the curved surface directly entering camera is designated as the 4th curved surface D and the 5th curved surface E, the curved surface entering camera through catoptron reflection is designated as the 6th curved surface F and the 7th curved surface G respectively, specifically as shown in Fig. 4 or Fig. 5,4th curved surface D and the 5th curved surface E of tested cable enter camera through lens or prism, and the 6th curved surface F and the 7th curved surface G enters camera through flat mirror reflects.The axis being parallel of plane reflection mirror plane and tested cable, ensure image quality, the 4th curved surface D, the 5th curved surface E of tested cable and the 6th curved surface F, the 7th curved surface G image in same picture plane simultaneously, and its picture is parallel to each other; The distance in plane mirror and cable axle center is determined by the size of cable imaging in camera and position, level crossing width is a bit larger tham cable diameter, ensure the 4th curved surface D, the 5th curved surface E and the 6th curved surface F, the object distance difference of the 7th curved surface G drops to minimum, cable can all become in camera image planes for one week, avoids light source to enter camera through catoptron simultaneously.Place one piece of lens or prism between cable and camera, the imaging object distance of guarantee the 4th curved surface D, the 5th curved surface E and the 6th curved surface F, the 7th curved surface G is equal, guarantees the image quality of four curved surfaces in camera image planes.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention for this reason, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (10)
1. a cable surface on-line detection device of defects, it is characterized in that, comprise fixed support and two plane mirrors, described support bracket fastened side is installed on camera, tested cable is through in fixed support, the axis of tested cable is vertical and crossing with the optical axis of camera lens, two plane mirrors are parallel to the axis of tested cable and the symmetrical both sides being positioned at tested cable, the plane of plane mirror becomes 60 ° of angles with the optical axis of camera lens, angle between two plane mirrors is 120 °, the width of plane mirror is greater than tested cable diameter, the optical module for changing object distance is provided with between tested cable and camera, support bracket fastened inner side is provided with several light sources for forming uniform illumination to the surface of tested cable.
2. a kind of cable surface on-line detection device of defects according to claim 1, is characterized in that, described optical module is the combination of lens, prism or lens and prism.
3. a kind of cable surface on-line detection device of defects according to claim 2, is characterized in that, described lens are concavees lens or lens combination.
4. a kind of cable surface on-line detection device of defects according to claim 1, is characterized in that, described camera is face battle array or line camera.
5. a kind of cable surface on-line detection device of defects according to claim 1, is characterized in that, described fixed support is annular or polygon support, and described light source is LED area light source.
6. a cable surface on-line detection device of defects, it is characterized in that, comprise fixed support and two plane mirrors, the symmetrical both sides of described fixed support are respectively provided with 1 camera, the optical axis of 2 camera lenss parallels, tested cable is through fixed support, the axis of tested cable is vertical with the optical axis of camera lens, 2 plane mirrors are parallel to the axis of tested cable and are positioned at the both sides of tested cable, the plane of plane mirror and the optical axis of camera lens angle at 45 ° and 2 plane mirrors are parallel to each other, plane mirror width is greater than tested cable diameter, the optical module for changing object distance is provided with between tested cable and camera, support bracket fastened inner side is provided with several light sources for forming uniform illumination to the surface of tested cable.
7. a kind of cable surface on-line detection device of defects according to claim 6, is characterized in that, described optical module is the combination of lens, prism or lens and prism.
8. a kind of cable surface on-line detection device of defects according to claim 7, is characterized in that, described lens are concavees lens or lens combination.
9. a kind of cable surface on-line detection device of defects according to claim 6, is characterized in that, described camera is face battle array or line camera.
10. a kind of cable surface on-line detection device of defects according to claim 6, is characterized in that, described fixed support is polygon support, and described light source is LED area light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715491.2A CN105301002A (en) | 2015-10-29 | 2015-10-29 | Online cable surface defect detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715491.2A CN105301002A (en) | 2015-10-29 | 2015-10-29 | Online cable surface defect detection device |
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| CN105301002A true CN105301002A (en) | 2016-02-03 |
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| CN201510715491.2A Pending CN105301002A (en) | 2015-10-29 | 2015-10-29 | Online cable surface defect detection device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894420A (en) * | 2017-09-28 | 2018-04-10 | 南京邮电大学 | A kind of lighting device of cable surface defect ONLINE RECOGNITION system |
| CN108107305A (en) * | 2017-12-28 | 2018-06-01 | 重庆市南方阻燃电线电缆有限公司 | A kind of cable detecting device |
| CN108596173A (en) * | 2018-04-19 | 2018-09-28 | 长春理工大学 | One camera full view wire size real-time distinguishing apparatus and its detection method |
| CN108918542A (en) * | 2018-08-29 | 2018-11-30 | 成都理工大学 | A kind of cable surface defect detecting device and method |
| CN110823901A (en) * | 2018-08-13 | 2020-02-21 | 科迈士瑞士股份有限公司 | Inspection device for inspecting a cable tip of a cable and method for cleaning |
| CN110823900A (en) * | 2018-08-13 | 2020-02-21 | 科迈士瑞士股份有限公司 | Inspection device for inspecting a cable tip of a cable and method for cleaning a mirror of an inspection device |
| CN111257321A (en) * | 2018-11-30 | 2020-06-09 | 泰科电子(上海)有限公司 | Cable detection equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227080A (en) * | 1998-02-23 | 1999-09-01 | G·D·公司 | Electro-optical unit for scanning entire lateral surface of articles substantially cylindrical in shape |
| CN103163150A (en) * | 2013-03-18 | 2013-06-19 | 长飞光纤光缆有限公司 | Online cable surface defect detection device and online cable surface defect detection method |
-
2015
- 2015-10-29 CN CN201510715491.2A patent/CN105301002A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227080A (en) * | 1998-02-23 | 1999-09-01 | G·D·公司 | Electro-optical unit for scanning entire lateral surface of articles substantially cylindrical in shape |
| CN103163150A (en) * | 2013-03-18 | 2013-06-19 | 长飞光纤光缆有限公司 | Online cable surface defect detection device and online cable surface defect detection method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894420A (en) * | 2017-09-28 | 2018-04-10 | 南京邮电大学 | A kind of lighting device of cable surface defect ONLINE RECOGNITION system |
| CN108107305A (en) * | 2017-12-28 | 2018-06-01 | 重庆市南方阻燃电线电缆有限公司 | A kind of cable detecting device |
| CN108596173A (en) * | 2018-04-19 | 2018-09-28 | 长春理工大学 | One camera full view wire size real-time distinguishing apparatus and its detection method |
| CN110823901A (en) * | 2018-08-13 | 2020-02-21 | 科迈士瑞士股份有限公司 | Inspection device for inspecting a cable tip of a cable and method for cleaning |
| CN110823900A (en) * | 2018-08-13 | 2020-02-21 | 科迈士瑞士股份有限公司 | Inspection device for inspecting a cable tip of a cable and method for cleaning a mirror of an inspection device |
| CN108918542A (en) * | 2018-08-29 | 2018-11-30 | 成都理工大学 | A kind of cable surface defect detecting device and method |
| CN111257321A (en) * | 2018-11-30 | 2020-06-09 | 泰科电子(上海)有限公司 | Cable detection equipment |
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